* { padding: 0; margin: 0; }
table {
    border-collapse: collapse;
    border-spacing: 0;
    border: 1px ；
}

th,td {
    border: 1px ;
    color: black;
    padding: 10px;
    text-align: center;
}

th {
    background-color: yellow;
    font:  16px ;
    color: black;
}
tbody tr {
    background-color:  lightgrey;
}
tbody tr:hover {
    cursor: pointer;
    background-color: #fafafa;
}